Datasheet

5
LTC1698
1698f
TYPICAL PERFOR A CE CHARACTERISTICS
UW
V
AUX
vs Temperature V
AUX
vs Line Voltage V
AUX
vs Load Current
V
AUX
Short-Circuit Current
vs Temperature
V
AUX
Short-Circuit Current
vs V
DD
Opto Driver Load Regulation
Opto Driver Short-Circuit Current
vs Temperature
TEMPERATURE (°C)
–50
V
AUX
(V)
3.300
3.383
150
1698 G10
3.218
3.135
0
50
100
–25
25
75
125
3.465
3.259
3.341
3.176
3.424
V
DD
= 8V
I
LOAD
= 0mA
V
DD
(V)
5
V
AUX
(V)
3.300
3.383
14
1698 G11
3.218
3.135
78
10
12
6
9
11
13
3.465
3.259
3.341
3.176
3.424
V
DD
= 8V
I
LOAD
= 0mA
LOAD CURRENT (mA)
0
V
AUX
(V)
3.300
3.383
109
1698 G12
3.218
3.135
23
5
7
1
4
6
8
3.465
3.259
3.341
3.176
3.424
V
DD
= 8V
T
A
= 25°C
TEMPERATURE (°C)
–50
V
AUX
SHORT-CIRCUIT CURRENT (mA)
–20
–10
0
25 75 150
1698 G13
–30
–40
–50
–25 0
50
100 125
V
DD
= 8V
V
DD
(V)
5
V
AUX
SHORT-CIRCUIT CURRENT (mA)
–20
–10
0
810 14
1698 G14
–30
–40
–50
67
9
11 12 13
T
A
= 25°C
LOAD CURRENT (mA)
0
OPTO DRIVER OUTPUT VOLTAGE (V)
PERCENT (%)
3.006
3.018
3.030
8
1698 G15
2.994
2.982
3.000
3.012
3.024
2.988
2.976
2.970
0.2
0.6
1.0
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
21
43
67 9
5
10
V
DD
= 8V
T
A
= 25°C
TEMPERATURE (°C)
–50
OPTO DRIVER SHORT-CIRCUIT CURRENT (mA)
–30
–20
150
1698 G16
–40
–50
0
50
100
–25
25
75
125
–10
–35
–25
–45
–15
V
DD
= 8V
V
OPTODRV
= 1.233V
Maximum OPTO Driver Output
Voltage vs Load Current
Maximum OPTO Driver Output
Voltage vs Temperature
LOAD CURRENT (mA)
0
MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V)
4
6
8
1698 G22
2
0
2
4
5
10
8
6
1
3
9
7
V
DD
= 10V
V
DD
= 8V
V
DD
= 7V
V
DD
= 6V
V
DD
= 5V
T
A
= 25°C
V
COMP
= 0V
TEMPERATURE (°C)
–50
0
MAXIMUM OPTO DRIVER OUTPUT VOLTAGE (V)
2
4
6
8
–25 0 25 50
1698 G23
75 100 125 150
V
DD
= 10V
V
DD
= 8V
V
DD
= 6V
V
DD
= 5V
V
COMP
= 0V
I
OPTODRV
= –10mA
V
DD
= 7V